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Airida [17]
3 years ago
8

Y3x + 5

Mathematics
1 answer:
RoseWind [281]3 years ago
7 0

Answer: y=7

x=5

Step-by-step explanation:

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Two angle measures of a triangle are given what is the third angle measure 57 68 _ 90 40 __ 29 71 _
nexus9112 [7]
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2 years ago
Maria will spin the arrow on the spinner 3 times.
Anna35 [415]
Well if those are the only 3 options of a segment, then there is a 1/3 chance of landing on A, then a 1/3 chance of landing on B, then a 1/3 chance of landing on C. Multiply the fractions together to get 1/27. However that isn't one of your answers. I'm thinking that the spinner has 4 sections, meaning 1/4 chance of A, then 1/4 chance of B, then 1/4 chance of C. Multiply these together to get 1/64, which is one of your answers. That's my input anyway
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2 years ago
Simplify 9x + 4(x + 2) - 5:
densk [106]

Answer:

9x + 4(x+2) - 5

9x + 4x + 8 - 5

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Step-by-step explanation:

I hope this helps!

3 0
2 years ago
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What are the points of inflection of k(x)=sinx-(1/4)sin2x
zalisa [80]

Answer:

Option d is correct.

Step-by-step explanation:

The point of inflection of a function y = f(x) at a pointy c is given by f''(c) = 0.

Now, the given function is

k(x) = \sin x - \frac{1}{4}\sin 2x

Differentiating with respect to x on both sides we get,

k'(x) = \cos x - \frac{1}{2} \cos 2x

Again, differentiating with respect to x on both sides we get,

k''(x) = - \sin x + \sin 2x = - \sin x + 2 \sin x \cos x

So, the condition for point of inflection at point c is

k''(c) = 0 = - sin c + 2 sin c cos c

⇒ sin c(2cos c - 1) = 0

⇒ sin c =  0 or \cos c = \frac{1}{2}

⇒ c = 0 or c = \pm \frac{\pi}{3}

Therefore, option d is correct. (Answer)

8 0
3 years ago
If you woke up at 11:15 am and went to sleep at 1:55 am. How many hours where you awake?
dybincka [34]

Answer: 15 hours and 10 minutes

Hope this helps!

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